2031011121 has 16 divisors (see below), whose sum is σ = 2737147968. Its totient is φ = 1339464000.

The previous prime is 2031011093. The next prime is 2031011153. The reversal of 2031011121 is 1211101302.

It is not a de Polignac number, because 2031011121 - 2⁵ = 2031011089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031011097 and 2031011106.

It is not an unprimeable number, because it can be changed into a prime (2031011321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503091 + ... + 507111.

It is an arithmetic number, because the mean of its divisors is an integer number (171071748).

Almost surely, 2^2031011121 is an apocalyptic number.

It is an amenable number.

2031011121 is a deficient number, since it is larger than the sum of its proper divisors (706136847).

2031011121 is a wasteful number, since it uses less digits than its factorization.

2031011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5792.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2031011121 is about 45066.7407408168. The cubic root of 2031011121 is about 1266.3996071869.

Adding to 2031011121 its reverse (1211101302), we get a palindrome (3242112423).

The spelling of 2031011121 in words is "two billion, thirty-one million, eleven thousand, one hundred twenty-one".